From ced09b9dcddf3016d23f4305e83a3f980717c710 Mon Sep 17 00:00:00 2001
From: EdenQwQ <lsahlm1eden@gmail.com>
Date: Tue, 29 Apr 2025 14:16:34 +0800
Subject: [PATCH] misc

---
 home/programs/desktop/default.nix        |   1 +
 home/programs/desktop/scroll/default.nix | 418 +++++++++++++++++++++++
 home/tweaks/colorscheme.nix              |   4 +-
 home/tweaks/wallpaper.nix                |   4 +
 pkgs/R.nix                               |   2 +
 pkgs/wallpapers.nix                      |   5 +
 templates/default.nix                    |   5 +
 templates/python-basic/flake.lock        |  96 ++++++
 templates/python-basic/flake.nix         |  46 +++
 9 files changed, 579 insertions(+), 2 deletions(-)
 create mode 100644 home/programs/desktop/scroll/default.nix
 create mode 100644 templates/python-basic/flake.lock
 create mode 100644 templates/python-basic/flake.nix

diff --git a/home/programs/desktop/default.nix b/home/programs/desktop/default.nix
index ed7ddeb..8d686e2 100644
--- a/home/programs/desktop/default.nix
+++ b/home/programs/desktop/default.nix
@@ -6,6 +6,7 @@
     ./mako.nix
     ./niri
     ./swhkd.nix
+    ./scroll
   ];
   home.packages = with pkgs; [
     swww
diff --git a/home/programs/desktop/scroll/default.nix b/home/programs/desktop/scroll/default.nix
new file mode 100644
index 0000000..d80e4b1
--- /dev/null
+++ b/home/programs/desktop/scroll/default.nix
@@ -0,0 +1,418 @@
+{ config, ... }:
+let
+  outputConf =
+    builtins.attrNames config.monitors
+    |> map (
+      name:
+      with config.monitors.${name};
+      "output ${name} resolution ${toString mode.width}x${toString mode.height} position ${toString position.x},${toString position.y} scale ${toString scale} transform ${360 - rotation |> toString}"
+    )
+    |> builtins.concatStringsSep "\n";
+in
+{
+  xdg.configFile."scroll/config".text = with config.lib.stylix.colors; ''
+    # Default config for scroll
+    #
+    # Copy this to ~/.config/scroll/config and edit it to your liking.
+    #
+    # Read `man 5 scroll` for a complete reference.
+
+    ### Variables
+    #
+    # Logo key. Use Mod1 for Alt.
+    set $mod Mod4
+    # Home row direction keys, like vim
+    set $left h
+    set $down j
+    set $up k
+    set $right l
+    # Your preferred terminal emulator
+    set $term kitty
+    # Your preferred application launcher
+    set $menu sh -c $(tofi-run)
+
+    ### Output configuration
+    #
+    # Default wallpaper (more resolutions are available in @datadir@/backgrounds/scroll/)
+    # output * bg @datadir@/backgrounds/scroll/Sway_Wallpaper_Blue_1920x1080.png fill
+    #
+    # Example configuration:
+    #
+    #   output HDMI-A-1 resolution 1920x1080 position 1920,0
+    #
+    # You can get the names of your outputs by running: scrollmsg -t get_outputs
+    ${outputConf}
+    # output HDMI-A-1 resolution 2560x1600 position 0,60 scale 1.6 transform 270
+    # output eDP-1 resolution 2240x1400 position 1000,0 scale 1.6
+
+    ### Idle configuration
+    #
+    # Example configuration:
+    #
+    # exec swayidle -w \
+    #          timeout 300 'swaylock -f -c 000000' \
+    #          timeout 600 'scrollmsg "output * power off"' resume 'scrollmsg "output * power on"' \
+    #          before-sleep 'swaylock -f -c 000000'
+    #
+    # This will lock your screen after 300 seconds of inactivity, then turn off
+    # your displays after another 300 seconds, and turn your screens back on when
+    # resumed. It will also lock your screen before your computer goes to sleep.
+
+    ### Input configuration
+    #
+    # Example configuration:
+    #
+    #   input "2:14:SynPS/2_Synaptics_TouchPad" {
+    #       dwt enabled
+    #       tap enabled
+    #       natural_scroll enabled
+    #       middle_emulation enabled
+    #   }
+    #
+    # You can get the names of your inputs by running: scrollmsg -t get_inputs
+    # Read `man 5 scroll-input` for more information about this section.
+    input "1267:12815:VEN_04F3:00_04F3:320F_Touchpad" {
+      tap enabled
+      drag_lock disabled
+    }
+
+    ### Windows defaults
+    default_border pixel 4
+    gaps inner 5
+    gaps outer 5
+    client.focused ${base0E} ${base01} ${base05} ${base0A} ${base0E}
+    client.focused_inactive ${base03} ${base01} ${base05} ${base0A} ${base03}
+    client.unfocused ${base03} ${base01} ${base05} ${base0A} ${base03}
+
+    # Idle inhibit for fullscreen windows
+    for_window [all] inhibit_idle fullscreen
+
+    # Layout settings
+    layout_default_width 0.666666667
+    layout_default_height 1.0
+    layout_widths [0.33333333 0.5 0.666666667 1.0]
+    layout_heights [0.33333333 0.5 0.666666667 1.0]
+
+    fullscreen_movefocus true
+
+    ### Key bindings
+    #
+    # Basics:
+    #
+        # Start a terminal
+        bindsym $mod+Return exec $term
+
+        # Kill focused window
+        bindsym $mod+q kill
+
+        # Start your launcher
+        bindsym $mod+p exec $menu
+        
+        # Drag floating windows by holding down $mod and left mouse button.
+        # Resize them with right mouse button + $mod.
+        # Despite the name, also works for non-floating windows.
+        # Change normal to inverse to use left mouse button for resizing and right
+        # mouse button for dragging.
+        floating_modifier $mod normal
+
+        # Reload the configuration file
+        bindsym $mod+Shift+c reload
+
+        # Exit scroll (logs you out of your Wayland session)
+        bindsym $mod+Shift+x exec scrollnag -t warning -m 'You pressed the exit shortcut. Do you really want to exit scroll? This will end your Wayland session.' -B 'Yes, exit scroll' 'scrollmsg exit'
+
+        # Layout mode
+        bindsym $mod+alt+h set_mode h
+        bindsym $mod+alt+v set_mode v
+    #
+    # Moving around:
+    #
+        # Move your focus around
+        bindsym $mod+$left focus left
+        bindsym $mod+$down focus down
+        bindsym $mod+$up focus up
+        bindsym $mod+$right focus right
+        bindsym $mod+home focus beginning
+        bindsym $mod+end focus end
+        # Move the focused window with the same, but add Ctrl
+        bindsym $mod+Shift+$left move left
+        bindsym $mod+Shift+$down move down
+        bindsym $mod+Shift+$up move up
+        bindsym $mod+Shift+$right move right
+        bindsym $mod+Shift+home move beginning
+        bindsym $mod+Shift+end move end
+        # # nomode
+        # bindsym $mod+Alt+$left move left nomode
+        # bindsym $mod+Alt+$down move down nomode
+        # bindsym $mod+Alt+$up move up nomode
+        # bindsym $mod+Alt+$right move right nomode
+        # bindsym $mod+Alt+home move beginning nomode
+        # bindsym $mod+Alt+end move end nomode
+
+        # Focus other monitors
+        bindsym $mod+Ctrl+$left focus output left
+        bindsym $mod+Ctrl+$down focus output down
+        bindsym $mod+Ctrl+$up focus output up
+        bindsym $mod+Ctrl+$right focus output right
+    #
+    # Workspaces:
+    #
+        # Switch to workspace
+        bindsym $mod+1 workspace number 1
+        bindsym $mod+2 workspace number 2
+        bindsym $mod+3 workspace number 3
+        bindsym $mod+4 workspace number 4
+        bindsym $mod+5 workspace number 5
+        bindsym $mod+6 workspace number 6
+        bindsym $mod+7 workspace number 7
+        bindsym $mod+8 workspace number 8
+        bindsym $mod+9 workspace number 9
+        bindsym $mod+0 workspace number 10
+        # Move focused container to workspace
+        bindsym $mod+Shift+1 move container to workspace number 1; workspace number 1
+        bindsym $mod+Shift+2 move container to workspace number 2; workspace number 2
+        bindsym $mod+Shift+3 move container to workspace number 3; workspace number 3
+        bindsym $mod+Shift+4 move container to workspace number 4; workspace number 4
+        bindsym $mod+Shift+5 move container to workspace number 5; workspace number 5
+        bindsym $mod+Shift+6 move container to workspace number 6; workspace number 6
+        bindsym $mod+Shift+7 move container to workspace number 7; workspace number 7
+        bindsym $mod+Shift+8 move container to workspace number 8; workspace number 8
+        bindsym $mod+Shift+9 move container to workspace number 9; workspace number 9
+        bindsym $mod+Shift+0 move container to workspace number 10; workspace number 10 
+        # Note: workspaces can have any name you want, not just numbers.
+        # We just use 1-10 as the default.
+
+        bindsym $mod+Ctrl+1 move workspace to output left
+        bindsym $mod+Ctrl+2 move workspace to output right
+
+    # Scaling
+        # Workspace
+        bindsym $mod+Shift+comma scale_workspace incr -0.05
+        bindsym --whole-window $mod+Shift+button4 scale_workspace incr -0.05
+        bindsym $mod+Shift+period scale_workspace incr 0.05
+        bindsym --whole-window $mod+Shift+button5 scale_workspace incr 0.05
+        bindsym $mod+Shift+Ctrl+period scale_workspace reset
+
+        # Overview
+        bindsym --no-repeat $mod+w scale_workspace overview
+        bindsym --whole-window button8 scale_workspace overview
+
+        # Jump
+        # jump_labels_color #9e1530FF
+        # jump_labels_background #15309eFF
+        # jump_labels_scale 0.9
+        # jump_labels_keys asdf
+        bindsym --no-repeat $mod+slash jump
+
+        # Content
+        bindsym $mod+comma scale_content incr -0.05
+        bindsym --whole-window $mod+button4 scale_content incr -0.05
+        bindsym $mod+period scale_content incr 0.05
+        bindsym --whole-window $mod+button5 scale_content incr 0.05
+        bindsym $mod+Ctrl+period scale_content reset
+
+    #
+    # Layout stuff:
+    #
+        # Make the current focus fullscreen
+        bindsym $mod+f fullscreen
+        bindsym $mod+Ctrl+f fullscreen global
+
+        # Toggle the current focus between tiling and floating mode
+        bindsym $mod+y focus mode_toggle
+        # Float a window
+        bindsym $mod+Shift+f floating toggle
+
+        # Toggle sticky
+        bindsym $mod+a sticky toggle
+
+        # Marks
+        # bindsym $mod+m exec scroll-mark-toggle.sh
+        # bindsym $mod+Shift+m exec scroll-mark-remove.sh
+        # bindsym $mod+apostrophe exec scroll-mark-switch.sh
+
+    #
+    # Scratchpad:
+    #
+        # Scroll has a "scratchpad", which is a bag of holding for windows.
+        # You can send windows there and get them back later.
+
+        # Move the currently focused window to the scratchpad
+        bindsym $mod+Shift+z move scratchpad
+
+        # Show the next scratchpad window or hide the focused scratchpad window.
+        # If there are multiple scratchpad windows, this command cycles through them.
+        bindsym $mod+z scratchpad show
+
+    #
+    # Mode modifiers
+    #
+    # mode "modifiers" {
+    #     bindsym $right set_mode after; mode default 
+    #     bindsym $left set_mode before; mode default 
+    #     bindsym home set_mode beginning; mode default 
+    #     bindsym end set_mode end; mode default 
+    #     bindsym $up set_mode focus; mode default 
+    #     bindsym $down set_mode nofocus; mode default 
+    #     bindsym h set_mode center_horiz; mode default 
+    #     bindsym Shift+h set_mode nocenter_horiz; mode default 
+    #     bindsym v set_mode center_vert; mode default 
+    #     bindsym Shift+v set_mode nocenter_vert; mode default 
+    #     bindsym r set_mode reorder_auto; mode default 
+    #     bindsym Shift+r set_mode noreorder_auto; mode default 
+    #
+    #     # Return to default mode
+    #     bindsym Escape mode "default"
+    # }
+    # bindsym $mod+backslash mode "modifiers"
+
+    #
+    # Resizing containers:
+    #
+    bindsym $mod+minus cycle_size h prev
+    bindsym $mod+equal cycle_size h next
+    bindsym $mod+Shift+minus cycle_size v prev
+    bindsym $mod+Shift+equal cycle_size v next
+
+    mode "setsizeh" {
+        bindsym 1 set_size h 0.125
+        bindsym 2 set_size h 0.1666666667
+        bindsym 3 set_size h 0.25
+        bindsym 4 set_size h 0.333333333
+        bindsym 5 set_size h 0.375
+        bindsym 6 set_size h 0.5
+        bindsym 7 set_size h 0.625
+        bindsym 8 set_size h 0.6666666667
+        bindsym 9 set_size h 0.75
+        bindsym 0 set_size h 0.833333333
+        bindsym minus set_size h 0.875
+        bindsym equal set_size h 1.0
+
+        # Return to default mode
+        bindsym Escape mode "default"
+    }
+    bindsym $mod+b mode "setsizeh"
+
+    mode "setsizev" {
+        bindsym 1 set_size v 0.125
+        bindsym 2 set_size v 0.1666666667
+        bindsym 3 set_size v 0.25
+        bindsym 4 set_size v 0.333333333
+        bindsym 5 set_size v 0.375
+        bindsym 6 set_size v 0.5
+        bindsym 7 set_size v 0.625
+        bindsym 8 set_size v 0.6666666667
+        bindsym 9 set_size v 0.75
+        bindsym 0 set_size v 0.833333333
+        bindsym minus set_size v 0.875
+        bindsym equal set_size v 1.0
+
+        # Return to default mode
+        bindsym Escape mode "default"
+    }
+    bindsym $mod+Shift+b mode "setsizev"
+
+    mode "resize" {
+        # left will shrink the containers width
+        # right will grow the containers width
+        # up will shrink the containers height
+        # down will grow the containers height
+        bindsym $left resize shrink width 100px
+        bindsym $down resize grow height 100px
+        bindsym $up resize shrink height 100px
+        bindsym $right resize grow width 100px
+
+        # Return to default mode
+        bindsym Escape mode "default"
+    }
+    bindsym $mod+Shift+r mode "resize"
+
+    mode "align" {
+        bindsym c align center; mode default
+        bindsym m align middle; mode default
+        bindsym r align reset; mode default
+        bindsym $left align left; mode default
+        bindsym $right align right; mode default
+        bindsym $up align up; mode default
+        bindsym $down align down; mode default
+        bindsym Escape mode "default"
+    }
+    bindsym $mod+c mode "align"
+
+    # mode "fit_size" {
+    #     bindsym w fit_size h visible proportional; mode default
+    #     bindsym Shift+w fit_size v visible proportional; mode default
+    #     bindsym Ctrl+w fit_size h visible equal; mode default
+    #     bindsym Ctrl+Shift+w fit_size v visible equal; mode default
+    #
+    #     bindsym $right fit_size h toend proportional; mode default
+    #     bindsym Shift+$right fit_size v toend proportional; mode default
+    #     bindsym Ctrl+$right fit_size h toend equal; mode default
+    #     bindsym Ctrl+Shift+$right fit_size v toend equal; mode default
+    #
+    #     bindsym $left fit_size h tobeg proportional; mode default
+    #     bindsym Shift+$left fit_size v tobeg proportional; mode default
+    #     bindsym Ctrl+$left fit_size h tobeg equal; mode default
+    #     bindsym Ctrl+Shift+$left fit_size v tobeg equal; mode default
+    #
+    #     bindsym $up fit_size h active proportional; mode default
+    #     bindsym Shift+$up fit_size v active proportional; mode default
+    #     #bindsym Ctrl+$up fit_size h active equal; mode default
+    #     #bindsym Ctrl+Shift+$up fit_size v active equal; mode default
+    #
+    #     bindsym $down fit_size h all proportional; mode default
+    #     bindsym Shift+$down fit_size v all proportional; mode default
+    #     bindsym Ctrl+$down fit_size h all equal; mode default
+    #     bindsym Ctrl+Shift+$down fit_size v all equal; mode default
+    # }
+    # bindsym $mod+w mode "fit_size"
+
+    #
+    # Utilities:
+    #
+        # Special keys to adjust volume via PulseAudio
+        bindsym --locked XF86AudioMute exec pactl set-sink-mute \@DEFAULT_SINK@ toggle
+        bindsym --locked XF86AudioLowerVolume exec pactl set-sink-volume \@DEFAULT_SINK@ -5%
+        bindsym --locked XF86AudioRaiseVolume exec pactl set-sink-volume \@DEFAULT_SINK@ +5%
+        bindsym --locked XF86AudioMicMute exec pactl set-source-mute \@DEFAULT_SOURCE@ toggle
+        # Special keys to adjust brightness via brightnessctl
+        bindsym --locked XF86MonBrightnessDown exec brightnessctl set 5%-
+        bindsym --locked XF86MonBrightnessUp exec brightnessctl set 5%+
+        # Special key to take a screenshot with grim
+        bindsym Print exec grim
+
+
+    focus_wrapping no
+
+    bindgesture swipe:4:right workspace next
+    bindgesture swipe:4:left workspace prev
+
+    bindgesture swipe:4:up scale_workspace overview 
+    bindgesture swipe:4:down jump
+
+    bindgesture swipe:3:right focus right
+    bindgesture swipe:3:left focus left
+    bindgesture swipe:3:up focus up
+    bindgesture swipe:3:down focus down
+
+    #
+    # Status Bar:
+    #
+    # Read `man 5 scroll-bar` for more information about this section.
+    # bar {
+    #     position top
+    #
+    #     # When the status_command prints a new line to stdout, scrollbar updates.
+    #     # The default just shows the current date and time.
+    #     status_command while date +'%Y-%m-%d %X'; do sleep 1; done
+    #
+    #     colors {
+    #         statusline #ffffff
+    #         background #323232
+    #         inactive_workspace #32323200 #32323200 #5c5c5c
+    #     }
+    # }
+    #
+    # include @sysconfdir@/scroll/config.d/*
+  '';
+}
diff --git a/home/tweaks/colorscheme.nix b/home/tweaks/colorscheme.nix
index 96ec99a..fcd78cb 100644
--- a/home/tweaks/colorscheme.nix
+++ b/home/tweaks/colorscheme.nix
@@ -7,10 +7,10 @@
     "everforest"
     "petrichor-downpour"
     {
-      name = "frieren-butterflies-dark";
+      name = "celestia-lunar-dark";
       fromImage = {
         enable = true;
-        image = "frieren-butterflies.jpg";
+        image = "celestia-lunar.jpg";
         method = "matugen";
         passthru.scheme = "scheme-expressive";
       };
diff --git a/home/tweaks/wallpaper.nix b/home/tweaks/wallpaper.nix
index 03d6fdd..f267f0b 100644
--- a/home/tweaks/wallpaper.nix
+++ b/home/tweaks/wallpaper.nix
@@ -65,5 +65,9 @@
       name = "zzzzoka-gbc.jpg";
       convertMethod = "gonord";
     }
+    {
+      name = "celestia-lunar.jpg";
+      convertMethod = "lutgen";
+    }
   ];
 }
diff --git a/pkgs/R.nix b/pkgs/R.nix
index 4cf8dd6..c4eb722 100644
--- a/pkgs/R.nix
+++ b/pkgs/R.nix
@@ -17,6 +17,8 @@ let
     languageserver
     styler
     openxlsx
+    ez
+    multicmp
   ];
 in
 {
diff --git a/pkgs/wallpapers.nix b/pkgs/wallpapers.nix
index d0bdbf3..f883577 100644
--- a/pkgs/wallpapers.nix
+++ b/pkgs/wallpapers.nix
@@ -56,6 +56,11 @@ let
       url = "https://i.imgur.com/qE6Pr45.jpg";
       sha256 = "1li5ypdvlvdpihiplf5mjj0lvf9gbcwyjslpxgla6wz0fzrwnvgi";
     }
+    {
+      name = "celestia-lunar.jpg";
+      url = "https://i.imgur.com/QIhYwtH.jpg";
+      sha256 = "04dsm4dpv2mddzw7vw77bb0s2mkd4n54hnfa277181smnns7cdzz";
+    }
   ];
 
   wallpaperSrcs = map fetchurl wallpapers;
diff --git a/templates/default.nix b/templates/default.nix
index bb01c0a..a4f0745 100644
--- a/templates/default.nix
+++ b/templates/default.nix
@@ -1,4 +1,9 @@
 {
+  python-basic = {
+    path = ./python-basic;
+    description = "Python with basic modules for organizing data";
+  };
+
   python-analyze = {
     path = ./python-analyze;
     description = "Python with modules for analyzing data";
diff --git a/templates/python-basic/flake.lock b/templates/python-basic/flake.lock
new file mode 100644
index 0000000..4e8a4e4
--- /dev/null
+++ b/templates/python-basic/flake.lock
@@ -0,0 +1,96 @@
+{
+  "nodes": {
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1741352980,
+        "narHash": "sha256-+u2UunDA4Cl5Fci3m7S643HzKmIDAe+fiXrLqYsR2fs=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "f4330d22f1c5d2ba72d3d22df5597d123fdb60a9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1739451785,
+        "narHash": "sha256-3ebRdThRic9bHMuNi2IAA/ek9b32bsy8F5R4SvGTIog=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "1128e89fd5e11bb25aedbfc287733c6502202ea9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1740877520,
+        "narHash": "sha256-oiwv/ZK/2FhGxrCkQkB83i7GnWXPPLzoqFHpDD3uYpk=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "147dee35aab2193b174e4c0868bd80ead5ce755c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1735554305,
+        "narHash": "sha256-zExSA1i/b+1NMRhGGLtNfFGXgLtgo+dcuzHzaWA6w3Q=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "0e82ab234249d8eee3e8c91437802b32c74bb3fd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-parts": "flake-parts",
+        "nixpkgs": "nixpkgs",
+        "treefmt-nix": "treefmt-nix"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1742370146,
+        "narHash": "sha256-XRE8hL4vKIQyVMDXykFh4ceo3KSpuJF3ts8GKwh5bIU=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "adc195eef5da3606891cedf80c0d9ce2d3190808",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/templates/python-basic/flake.nix b/templates/python-basic/flake.nix
new file mode 100644
index 0000000..307eb1a
--- /dev/null
+++ b/templates/python-basic/flake.nix
@@ -0,0 +1,46 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    treefmt-nix.url = "github:numtide/treefmt-nix";
+  };
+
+  outputs =
+    { ... }@inputs:
+    inputs.flake-parts.lib.mkFlake { inherit inputs; } {
+      systems = [ "x86_64-linux" ];
+      imports = [
+        inputs.treefmt-nix.flakeModule
+      ];
+      perSystem =
+        { pkgs, ... }:
+        {
+          devShells = {
+            default =
+              let
+                python = pkgs.python312;
+              in
+              pkgs.mkShellNoCC {
+                buildInputs = [
+                  (python.withPackages (
+                    ps: with ps; [
+                      numpy
+                      pandas
+                      openpyxl
+                      scipy
+                    ]
+                  ))
+                ];
+                shellHook = ''
+                  fish
+                '';
+              };
+          };
+          treefmt = {
+            projectRootFile = "flake.nix";
+            programs.nixfmt.enable = true;
+            programs.ruff-format.enable = true;
+          };
+        };
+    };
+}